diff --git a/src/vs/workbench/contrib/debug/common/debug.ts b/src/vs/workbench/contrib/debug/common/debug.ts
index ab30e1ce3d0..98ca7fc8d37 100644
--- a/src/vs/workbench/contrib/debug/common/debug.ts
+++ b/src/vs/workbench/contrib/debug/common/debug.ts
@@ -26,6 +26,7 @@ import { TaskIdentifier } from 'vs/workbench/contrib/tasks/common/tasks';
 import { TelemetryService } from 'vs/platform/telemetry/common/telemetryService';
 import { ITerminalConfiguration } from 'vs/workbench/contrib/terminal/common/terminal';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
+import { IExternalTerminalSettings } from 'vs/workbench/contrib/externalTerminal/common/externalTerminal';
 
 export const VIEWLET_ID = 'workbench.view.debug';
 export const VIEW_CONTAINER: ViewContainer = Registry.as<IViewContainersRegistry>(ViewContainerExtensions.ViewContainersRegistry).registerViewContainer(VIEWLET_ID);
@@ -576,11 +577,7 @@ export interface ITerminalLauncher {
 }
 
 export interface ITerminalSettings {
-	external: {
-		windowsExec: string,
-		osxExec: string,
-		linuxExec: string
-	};
+	external: IExternalTerminalSettings;
 	integrated: ITerminalConfiguration;
 }
 
diff --git a/src/vs/workbench/contrib/debug/node/terminals.ts b/src/vs/workbench/contrib/debug/node/terminals.ts
index 1c74432574d..6f173a4864f 100644
--- a/src/vs/workbench/contrib/debug/node/terminals.ts
+++ b/src/vs/workbench/contrib/debug/node/terminals.ts
@@ -24,7 +24,7 @@ export function runInExternalTerminal(args: DebugProtocol.RunInTerminalRequestAr
 		}
 	}
 	if (externalTerminalService) {
-		externalTerminalService.runInTerminal(args.title!, args.cwd, args.args, args.env || {}, config);
+		externalTerminalService.runInTerminal(args.title!, args.cwd, args.args, args.env || {}, config.external || {});
 	}
 }
 
diff --git a/src/vs/workbench/contrib/externalTerminal/common/externalTerminal.ts b/src/vs/workbench/contrib/externalTerminal/common/externalTerminal.ts
index 54980485f49..6d4dfc04f46 100644
--- a/src/vs/workbench/contrib/externalTerminal/common/externalTerminal.ts
+++ b/src/vs/workbench/contrib/externalTerminal/common/externalTerminal.ts
@@ -4,23 +4,24 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
-import { ITerminalSettings } from 'vs/workbench/contrib/debug/common/debug';
 
 export const IExternalTerminalService = createDecorator<IExternalTerminalService>('nativeTerminalService');
 
+export interface IExternalTerminalSettings {
+	linuxExec?: string;
+	osxExec?: string;
+	windowsExec?: string;
+}
+
 export interface IExternalTerminalService {
 	_serviceBrand: any;
 	openTerminal(path: string): void;
-	runInTerminal(title: string, cwd: string, args: string[], env: { [key: string]: string | null; }, configuration: ITerminalSettings): Promise<number | undefined>;
+	runInTerminal(title: string, cwd: string, args: string[], env: { [key: string]: string | null; }, settings: IExternalTerminalSettings): Promise<number | undefined>;
 }
 
 export interface IExternalTerminalConfiguration {
 	terminal: {
 		explorerKind: 'integrated' | 'external',
-		external: {
-			linuxExec: string,
-			osxExec: string,
-			windowsExec: string
-		}
+		external: IExternalTerminalSettings;
 	};
 }
\ No newline at end of file
diff --git a/src/vs/workbench/contrib/externalTerminal/node/externalTerminalService.ts b/src/vs/workbench/contrib/externalTerminal/node/externalTerminalService.ts
index 950e790eb44..474e2727d73 100644
--- a/src/vs/workbench/contrib/externalTerminal/node/externalTerminalService.ts
+++ b/src/vs/workbench/contrib/externalTerminal/node/externalTerminalService.ts
@@ -10,13 +10,12 @@ import * as nls from 'vs/nls';
 import * as pfs from 'vs/base/node/pfs';
 import * as env from 'vs/base/common/platform';
 import { assign } from 'vs/base/common/objects';
-import { IExternalTerminalService, IExternalTerminalConfiguration } from 'vs/workbench/contrib/externalTerminal/common/externalTerminal';
+import { IExternalTerminalService, IExternalTerminalConfiguration, IExternalTerminalSettings } from 'vs/workbench/contrib/externalTerminal/common/externalTerminal';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { getPathFromAmdModule } from 'vs/base/common/amd';
 import { IConfigurationRegistry, Extensions, ConfigurationScope } from 'vs/platform/configuration/common/configurationRegistry';
 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 import { Registry } from 'vs/platform/registry/common/platform';
-import { ITerminalSettings } from 'vs/workbench/contrib/debug/common/debug';
 import { optional } from 'vs/platform/instantiation/common/instantiation';
 
 
@@ -40,9 +39,9 @@ export class WindowsExternalTerminalService implements IExternalTerminalService
 		}
 	}
 
-	public runInTerminal(title: string, dir: string, args: string[], envVars: env.IProcessEnvironment, configuration: ITerminalSettings): Promise<number | undefined> {
+	public runInTerminal(title: string, dir: string, args: string[], envVars: env.IProcessEnvironment, settings: IExternalTerminalSettings): Promise<number | undefined> {
 
-		const exec = configuration.external.windowsExec || WindowsExternalTerminalService.getDefaultTerminalWindows();
+		const exec = settings.windowsExec || WindowsExternalTerminalService.getDefaultTerminalWindows();
 
 		return new Promise<number | undefined>((resolve, reject) => {
 
@@ -134,9 +133,9 @@ export class MacExternalTerminalService implements IExternalTerminalService {
 		}
 	}
 
-	public runInTerminal(title: string, dir: string, args: string[], envVars: env.IProcessEnvironment, configuration: ITerminalSettings): Promise<number | undefined> {
+	public runInTerminal(title: string, dir: string, args: string[], envVars: env.IProcessEnvironment, settings: IExternalTerminalSettings): Promise<number | undefined> {
 
-		const terminalApp = configuration.external.osxExec || DEFAULT_TERMINAL_OSX;
+		const terminalApp = settings.osxExec || DEFAULT_TERMINAL_OSX;
 
 		return new Promise<number | undefined>((resolve, reject) => {
 
@@ -230,10 +229,9 @@ export class LinuxExternalTerminalService implements IExternalTerminalService {
 		}
 	}
 
-	public runInTerminal(title: string, dir: string, args: string[], envVars: env.IProcessEnvironment, configuration: ITerminalSettings): Promise<number | undefined> {
+	public runInTerminal(title: string, dir: string, args: string[], envVars: env.IProcessEnvironment, settings: IExternalTerminalSettings): Promise<number | undefined> {
 
-		const terminalConfig = configuration.external;
-		const execPromise = terminalConfig.linuxExec ? Promise.resolve(terminalConfig.linuxExec) : LinuxExternalTerminalService.getDefaultTerminalLinuxReady();
+		const execPromise = settings.linuxExec ? Promise.resolve(settings.linuxExec) : LinuxExternalTerminalService.getDefaultTerminalLinuxReady();
 
 		return new Promise<number | undefined>((resolve, reject) => {